699 search results - page 66 / 140 » Hierarchical pitman-yor language model for information retri... |
MMDB
2004
ACM
15 years 3 months ago
2004
ACM
This paper describes a fully automatic content-based approach for browsing and retrieval of MPEG-2 compressed video. The first step of the approach is the detection of shot bound...
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
CIVR
2008
Springer
14 years 11 months ago
2008
Springer
We have developed an interactive video search system that allows the searcher to rapidly assess query results and easily pivot off those results to form new queries. The system i...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
CIKM
2007
Springer
15 years 4 months ago
2007
Springer
Dictionary-based approaches to query translation have been widely used in Cross-Language Information Retrieval (CLIR) experiments. Using these approaches, translation has been not...